The set is designed for selection of corrective eyeglasses by means of subjective testing. The complete set includes: 254 optical elements, universal test spectacle frame OPOL-4, ruler for eyeglass frames selection, mirror ophthalmoscope; The base case includes: 254 optical elements, universal test spectacle frame OPOL-4, ruler for eyeglass frames selection. It doesn’t include: sciascopy frame and mirror ophthalmoscope.